Microsoft Corporation RM-127 Manuale Utente

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20. Technical Information
Weight
94 grams (3.3 ounces) incl. BL-5B battery
Battery
760 mAh Li-Ion Battery
Networks
Wireless networks GSM 900, 1800 and 1900
Size 
Volume: 
 5.4 cubic inches (89 ccm)
Length: 
4.1 in (105 mm)
Width: 
1.8 in (45 mm)
Thickness:    0.7 in (19 mm)
Frequency range (Rx)
GSM 900:  925 -  960 MHz
GSM1800: 1805 - 1880 MHz
GSM1900: 1930 - 1990 MHz
Frequency range (Tx)
GSM 900: 
880 -  915 MHz
GSM 1800: 1710 - 1785 MHz
GSM 1900: 1850 - 1910 MHz
Tx output power
2 W (max) for GSM 900
1 W (max) for GSM 1800 and GSM1900
Battery voltage
3.7 V DC
Number of channels
299 for GSM 1900
374 for GSM 1800 
174 for GSM 900
Memory size
16 MB flash memory
3 MB RAM
Operating temperature
-59 °F to 131 °F
(-15 °C to 55 °C)